Finding the Fourth Proportional to 644,364.96, 966,589.56 and 171,037.68
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Solution
The fourth proportional to 644,364.96, 966,589.56 and 171,037.68 is: 256,567.70
Step by Step Solution
- Step 1: Write the proportion equation
644,364.96 : 966,589.56 = 171,037.68 : x - Step 2: Convert to fraction form
644,364.96/966,589.56 = 171,037.68/x - Step 3: Cross multiply
644,364.96x = 966,589.56 × 171,037.68 - Step 4: Simplify right side
644,364.96x = 165,323,235,854.62 - Step 5: Solve for x
x = 165,323,235,854.62/644,364.96 - Step 6: Final answer
x = 256,567.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.